explain.depesz.com

PostgreSQL's explain analyze made readable

Result: pNT : Optimization for: plan #hr5X

Settings

Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 13.857 34.685 ↑ 1.7 40,827 1

Hash Join (cost=1,239.3..3,195.45 rows=68,839 width=8) (actual time=11.996..34.685 rows=40,827 loops=1)

  • Buffers: shared hit=719
2. 9.200 9.200 ↑ 1.0 79,154 1

Index Only Scan using ix_lobjectid_lsetid on dsmember dsmember (cost=0.42..1,748.76 rows=79,156 width=8) (actual time=0.018..9.2 rows=79,154 loops=1)

  • Heap Fetches: 114
  • Buffers: shared hit=543
3. 5.198 11.628 ↓ 1.0 38,099 1

Hash (cost=763.37..763.37 rows=38,041 width=4) (actual time=11.627..11.628 rows=38,099 loops=1)

  • Buffers: shared hit=176
4. 6.430 6.430 ↓ 1.0 38,099 1

Index Only Scan using idx_dsobject_lclassid_lid_4567 on dsobject dsobject (cost=0.29..763.37 rows=38,041 width=4) (actual time=0.276..6.43 rows=38,099 loops=1)

  • Heap Fetches: 7
  • Buffers: shared hit=176